舰载全电推进系统智能燃气轮机的关键技术及发展展望

随着对性能、运行安全和节能减排的日益重视，对燃气涡轮发动机的设计要求越来越高。在过去的10年中，智能燃气 涡轮发动机由于可以兼顾性能及可靠性而越发受到重视。通过提炼智能燃气涡轮发动机的收益及挑战，系统回顾了智能燃气涡 轮发动机涵盖的技术领域及需求。通过与航空发动机及地面燃气轮机的典型任务剖面差异进行对比，提出针对舰载燃气涡轮发 动机智能化特色需求。在此基础上，梳理出进气畸变实时监测及畸变指数评估、压缩系统喘振预警及叶片振动监测、高压涡轮自 适应热管理和高温旋转件叶尖间隙测试4项关键技术。重点讨论了每项关键技术带来的收益、国内外研究现状及实施这些技术 所面临的挑战。然而，上述关键技术的落地仍需从单一技术的成熟及完善、多维度的技术收益论证2个层次持续开展相关工作。

Key Technologies and Development Prospects of Intelligent Gas Turbines for All-electric Marine Propulsion Systems

With the increasing emphasis on performance, operational safety, energy saving and emission reduction, many new chal? lenges are being faced by the designers of gas turbine engines. In the past decade, the concept of intelligent gas turbines has received increasing attention due to their ability to balance performance and reliability. By extracting the benefits and challenges of intelligent gas turbine engines, a systematic review was conducted on the technical fields and requirements covered by intelligent gas turbine engines. By comparing the differences in typical mission profiles with aircraft engines and land-based gas turbines, intelligent requirements for marine gas turbine engines are proposed. Four key techniques are highlighted, including real-time inlet-distortion monitoring and distortion index evaluation, surge warning of compression system and blade vibration monitoring, adaptive thermal management of high-pressure turbine, and tip clearance measurement of high-temperature rotating components. The benefits of each key technology, the current research situa? tion at home and abroad, as well as the challenges to its implementation, are discussed in detail. However, the implementation of the above- mentioned key techniques requires continued work at two levels including the maturity and development of individual technology and the multi-disciplinary interrogation of technological benefits.